match_nested.carbon 536 B

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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
  2. // Exceptions. See /LICENSE for license information.
  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  4. //
  5. // AUTOUPDATE
  6. // RUN: %{explorer-run}
  7. // RUN: %{explorer-run-trace}
  8. // CHECK:STDOUT: result: 0
  9. package ExplorerTest api;
  10. // Test matching of a tuple inside a tuple.
  11. fn Main() -> i32 {
  12. var t: auto = ((1, 2), (3, 4));
  13. match (t) {
  14. case ((a: auto, b: auto), c: auto) => {
  15. return a - b + c[0] - c[1] + 2;
  16. }
  17. }
  18. return 1;
  19. }